When it comes to water filters, bigger is not always better. That's why there's the McNett Frontier Pro Ultralight Water Filter System. It's a must-have for hikers, campers, backpackers, or any traveler going to places where there is limited or no safe, clean water to drink. This highly effective water treatment system purifies up to 50 gallons (189.3 liters) of water from any source and gets rid of any impurities and harmful bacteria. It even removes 99.9999% of Giardia and Cryptospordium that can cause gastrointestinal illnesses. Plus, its Miraguard Antimicrobial Technology suppresses the growth of algae, fungus, mold, and mildew in the filter. This portable water filter is compact, lightweight, and easy to use. You can drink directly from any water source or fill up a bottle or bladder by simply attaching the Frontier Pro filter. It fits onto any hydration system hoses and standard water containers with a 28 mm. opening, while its Cap Strap makes sure the mouthpiece is clean and contamination-free. Drinking unclean water can lead to all kinds of health problems. So, on your next outdoor trip, bring the McNett Frontier Pro Ultralight Water Filter System. Filter is made in the USA.